86939580908631 has 8 divisors (see below), whose sum is σ = 126457572230784. Its totient is φ = 52690655096120.

The previous prime is 86939580908627. The next prime is 86939580908633. The reversal of 86939580908631 is 13680908593968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86939580908631 - 2² = 86939580908627 is a prime.

It is a super-2 number, since 2×86939580908631² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86939580908633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317266377371 + ... + 1317266377436.

It is an arithmetic number, because the mean of its divisors is an integer number (15807196528848).

Almost surely, 2^{86939580908631} is an apocalyptic number.

86939580908631 is a deficient number, since it is larger than the sum of its proper divisors (39517991322153).

86939580908631 is a wasteful number, since it uses less digits than its factorization.

86939580908631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634532754821.

The product of its (nonzero) digits is 604661760, while the sum is 75.

The spelling of 86939580908631 in words is "eighty-six trillion, nine hundred thirty-nine billion, five hundred eighty million, nine hundred eight thousand, six hundred thirty-one".